Timeliness and cleanliness are important when collecting any water sample. Use the sterile collection bottles the lab sends you and not your own bottles to take a sample. Labs often will only accept ...
The suspension was transferred to six 3-oz amber polyethylene terephthalate bottles ... 100-mg samples of the powder were mixed with 2.5 mL of 8.4% sodium bicarbonate in sterile water for irrigation.
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